971995914 has 12 divisors (see below), whose sum is σ = 2105991186. Its totient is φ = 323998632.

The previous prime is 971995891. The next prime is 971995933. The reversal of 971995914 is 419599179.

It can be written as a sum of positive squares in only one way, i.e., 970634025 + 1361889 = 31155^2 + 1167^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26999869 + ... + 26999904.

Almost surely, 2^971995914 is an apocalyptic number.

971995914 is an abundant number, since it is smaller than the sum of its proper divisors (1133995272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971995914 is a wasteful number, since it uses less digits than its factorization.

971995914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53999781 (or 53999778 counting only the distinct ones).

The product of its digits is 918540, while the sum is 54.

The square root of 971995914 is about 31176.8490069154. The cubic root of 971995914 is about 990.5767866341.

The spelling of 971995914 in words is "nine hundred seventy-one million, nine hundred ninety-five thousand, nine hundred fourteen".